And games after Harry The Viking's four victories have been even more worrying.

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Whitaker, winner of 14 major championship medals, including Olympic silver at the 1984 Los Angeles Games, pulled both his entered horses, Ingliston Twister and VIking V, from Hickstead's Queen Elizabeth II Cup and the Speed Classic on Saturday.

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The Viking Kayak Club athlete won gold in the C2 canoe slalom at the 2012 Olympic Games.

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